1. The act of inverting. 2. The state of being inverted. 3. An interchange of position of adjacent objects in a sequence, especially: 4. A change in normal word order, such as the placement of a verb before its subject. 5. A rearrangement or result of the rearrangement of tones in which upper and lower voices are transposed, as in counterpoint, or in which each interval in a single melody is applied in the opposite direction. 6. The taking on of the gender role of the opposite sex. 7. Used as a term for homosexuality. 8. Conversion of a substance in which the direction of optical rotation is reversed, from the dextrorotatory to the levorotatory or from the levorotatory to the dextrorotatory form. 9. An atmospheric condition in which the air temperature rises with increasing altitude, holding surface air down and preventing dispersion of pollutants. 10. A chromosomal defect in which a segment of the chromosome breaks off and reattaches in the reverse direction.
